Tips for Creating a Container Garden: Select a Container

Tip 2: Select a Container

Here's the great news: just about anything can be turned in to a container. However, keep in mind that the more soil your container holds, the more nutrients your plants will receive. Larger pots make it a little easier. Also, small pots tend to dry out more quickly, so be sure that you are watering sufficiently. And be sure the drainage holes are adequate in number and size. Let your imagination get carried away!

There are some fabulous ideas for unique pots 

here